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A charged particle moves insides a pipe which is bent as mv shown in figure. If $R < \frac{mv}{qB}$ , then force exerted by the pipe on charged particle at P is (Neglect gravity)

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Correct option is A

Radius of circular path of the charged particle r=mVqBHere R< r, hence the particle will press the outer wall of the pipe hence the force applied by the pipe on the particle should be towards the centre of the pipe.

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A charged particle moves insides a pipe which is bent as mv shown in figure. If R<mvqB, then force exerted by the pipe on charged particle at P is (Neglect gravity)

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A charged particle moves insides a pipe which is bent as mv shown in figure. If $R < \frac{mv}{qB}$ , then force exerted by the pipe on charged particle at P is (Neglect gravity)